Home / 1,382,433-2,073,649.50-331,809

Finding the Fourth Proportional to 1,382,433, 2,073,649.50 and 331,809

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Solution

The fourth proportional to 1,382,433, 2,073,649.50 and 331,809 is: 497,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,433 : 2,073,649.50 = 331,809 : x
  2. Step 2: Convert to fraction form
    1,382,433/2,073,649.50 = 331,809/x
  3. Step 3: Cross multiply
    1,382,433x = 2,073,649.50 × 331,809
  4. Step 4: Simplify right side
    1,382,433x = 688,055,566,945.50
  5. Step 5: Solve for x
    x = 688,055,566,945.50/1,382,433
  6. Step 6: Final answer
    x = 497,713.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.